1/13/2016 Temperature and Release Summary for Shasta and Trinity - December 2015

(Updated twice a week November through April)

Sacramento River Water Temperatures in Degrees F

Day Collected from CDEC (California Data Exchange Center) except for TCD, SPP and Control Point in CFS

Control

TCD SHD minus SPP Point Shasta Spring Crk Keswick

Wt. TCD Wt. 4/1 to 12/31 Generation Powerplant Total

Avg. (Diff) Shd Avg Kwk Bsf Jlf Bnd Rdb Lws Ccr Igo Sac Nfh El 815 Release Release RDD BSF RDB LWS

Nov 57.0 57.1 57.5 56.2 55.2 54.6 54.3 54.1 48.1 55.5 54.6 55.6 47.7 4,060 56 4,321 50.5 46.8 49.6 41.1

Dec

1 55.4 (0.6) 54.8 54.1 54.5 52.6 51.6 50.8 49.9 45.0 53.4 51.1 53.7 42.0 4,120 69 3,995 45.5 40.6 44.4 36.5

2 55.4 (0.3) 55.1 54.1 54.5 53.5 53.0 52.6 51.8 45.3 54.0 51.8 54.1 44.5 3,597 16 3,996 50.5 48.7 49.7 42.5

3 54.9 (0.3) 54.6 53.5 54.5 53.8 53.3 53.1 52.5 44.9 53.7 51.2 54.0 45.0 4,233 35 3,993 49.0 47.6 48.8 41.9

4 55.1 (0.6) 54.5 53.0 ? 54.5 53.6 53.2 52.9 52.4 45.1 54.2 51.0 54.2 45.1 3,150 1,064 3,997 50.0 48.8 49.4 41.0

5 54.7 (0.2) 54.5 52.9 ? 53.8 53.4 52.7 52.4 52.2 45.5 53.4 50.3 53.3 45.0 2,511 1,612 4,058 45.0 42.7 44.5 42.0

6 54.5 (0.4) 54.1 53.0 53.5 53.0 52.4 52.2 51.7 45.5 52.9 50.4 53.0 44.3 3,604 14 4,208 47.0 46.6 48.1 37.0

7 54.1 (0.4) 53.7 52.1 53.8 53.0 52.6 52.4 52.0 46.4 53.5 50.6 53.5 44.1 3,756 50 4,211 50.5 49.2 49.6 41.3

8 54.0 (0.3) 53.7 51.8 53.8 53.7 53.6 53.5 52.9 47.6 54.1 50.8 53.8 45.5 4,236 109 4,213 54.5 52.4 53.0 48.3

9 53.8 (0.3) 53.5 52.3 53.7 54.0 54.0 54.0 53.8 48.1 53.7 50.8 53.5 46.8 3,565 14 4,204 55.0 52.9 53.5 49.0

10 53.6 (0.2) 53.4 51.8 53.6 53.8 53.8 53.8 53.9 47.8 53.8 50.8 53.5 45.9 3,349 45 4,161 53.5 53.4 54.9 43.2

11 53.4 (0.3) 53.1 51.8 53.2 52.9 52.2 52.2 52.4 47.9 52.9 49.9 52.9 44.6 3,288 36 4,190 46.5 47.0 47.9 39.2

12 53.4 (0.2) 53.2 51.8 52.9 52.2 51.1 50.9 50.7 47.7 52.1 49.4 52.3 44.3 3,219 22 4,192 42.0 41.5 42.8 37.0

13 53.1 (0.2) 52.9 51.9 52.5 52.0 51.3 51.1 50.3 47.5 52.0 49.4 51.9 44.4 3,129 216 4,139 46.5 47.9 49.1 39.3

14 53.1 (0.5) 52.6 51.7 52.2 50.5 49.0 48.8 49.1 47.0 51.4 48.6 51.5 42.9 3,404 361 4,137 42.5 38.8 42.9 34.3

15 54.3 (0.8) 53.5 52.3 51.9 50.5 48.9 48.5 47.9 47.1 51.3 48.7 51.3 42.7 3,847 14 4,156 45.5 42.5 44.9 34.1

16 54.9 (0.3) 54.6 52.1 51.8 50.5 49.3 48.8 48.2 47.2 51.3 49.2 51.3 42.9 4,295 14 4,162 43.0 41.7 44.1 34.6

17 54.6 (0.2) 54.4 52.0 52.9 51.1 50.2 50.0 49.2 47.1 51.8 49.7 52.1 43.8 4,139 15 4,171 45.0 44.4 45.3 37.1

18 54.5 (0.5) 54.0 51.0 53.5 51.3 50.7 50.3 49.5 46.6 52.3 48.9 52.5 44.0 3,327 277 4,171 43.5 42.5 44.6 37.4

19 54.2 (0.3) 53.9 51.5 53.4 49.6 48.6 48.4 48.4 46.5 52.9 48.9 52.8 43.8 3,626 15 4,172 45.0 43.8 43.8 37.1

20 54.1 (0.4) 53.7 51.3 53.0 50.1 49.1 49.0 48.3 ? 45.5 51.8 48.2 51.8 42.1 3,497 14 4,171 40.5 40.4 41.3 33.6

21 53.6 (0.3) 53.3 50.4 53.0 48.9 48.1 48.1 48.0 45.5 51.9 48.4 51.2 41.2 2,724 550 4,170 46.5 47.8 47.7 35.5

22 53.4 (0.3) 53.1 50.5 52.6 49.5 48.9 48.8 48.5 46.1 52.4 49.2 51.9 43.1 3,411 401 4,153 51.5 50.2 51.8 41.8

23 53.3 (0.4) 52.9 50.4 52.4 50.2 49.2 49.1 48.8 45.1 51.9 48.1 51.8 43.9 3,556 495 3,889 45.5 45.2 48.2 39.4

24 52.8 (0.4) 52.4 50.7 52.2 50.1 48.8 48.6 48.2 45.1 51.4 47.9 51.6 42.1 3,346 71 3,632 42.0 43.1 43.6 34.3

25 52.9 (0.6) 52.3 50.3 52.0 49.8 48.2 48.0 47.7 45.0 51.2 46.8 51.5 41.6 3,848 103 3,335 42.0 38.8 41.4 33.9

26 52.6 (0.1) 52.5 50.3 51.7 49.4 47.5 47.2 46.8 44.4 50.7 46.4 51.1 41.6 2,388 14 3,079 43.0 37.5 39.6 32.1

27 53.5 (1.4) 52.1 50.2 51.3 49.1 47.1 46.7 46.1 44.5 50.2 46.6 50.8 41.1 2,222 14 3,082 39.0 37.4 38.0 33.1

28 52.3 (0.5) 51.8 50.0 51.2 49.5 48.1 47.6 46.8 44.5 50.6 47.0 50.8 41.6 3,235 14 3,092 42.5 40.9 42.3 34.9

29 51.9 (0.3) 51.6 49.9 51.1 49.4 47.8 47.5 47.1 44.0 50.3 46.7 50.6 42.1 2,967 16 3,133 45.0 41.1 42.0 34.2

30 51.8 (0.4) 51.4 49.6 51.1 49.6 48.3 47.9 47.3 ? 43.6 50.4 47.1 50.6 41.8 2,958 14 3,101 41.5 39.4 41.2 33.9

31 52.0 (0.5) 51.5 49.5 50.8 49.1 47.3 46.9 46.7 43.0 49.7 46.1 50.2 41.2 2,974 14 3,103 44.5 37.2 40.3 29.9

Avg 53.7 53.3 51.5 52.8 51.3 50.3 50.1 49.6 45.9 52.2 49.0 52.2 43.4 3,404 184 3,886 45.9 44.3 45.8 37.7

Tot cfs 105,521 5,718 120,466

Tot af 209,301 11,342 238,944

? = Average includes 1-9 estimated hourly readings ! = No Average (10-17 hours missing) & = No Average (18 to 23 hours missing) When available:

# = Station out of service ND = No hourly readings or incorrect % = Data will be down loaded from site at later date by NCAO staff. ^ = Redding Air Temp Record High

* = Redding Air Temp Record Low

Control Point: Clear Creek 4/1/2015 to 4/17/2015 at 56.0 degrees; 4/18/2015 to 5/14/2015 at 58.0 degrees; 5/15/2015 to 6/4/2015 56.0; 6/5/2015 to 12/31/2015 58.0 degrees.

V:\~WATER\_res_ops\Sac River Temperature\Tempmodel\~sactemp\2015TempFiles\[12_2015 Monthly Summary.xlsx]Sac Riv Temps

Mean Daily Air Temp

Degrees F

Mean Daily Release